first try at install on osx

install-haskell-osx.sh

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+ghcversion=7.8.3
+cabalversion=1.20.0.3
+
+tmpdir=/tmp/install-haskell-osx
+mkdir -p $tmpdir
+cd $tmpdir
+
+echo "Downloading GHC..."
+curl -O
+echo "Installing GHC..."
+cd ghc
+./configure && make install
+
+echo "Downloading cabal..."
+curl -O http://www.haskell.org/cabal/release/cabal-install-$cabalversion/cabal-$cabalversion-x86_64-apple-darwin-mavericks.tar.gz
+echo "Installing cabal..."
+tar xzf cabal-$cabalversion-x86_64-apple-darwin-mavericks.tar.gz
+sudo mv ./dist/build/cabal/cabal /usr/local/bin
+
+echo "Using Stackage..."
+stackageurl=
+perl -pi.bak -e 's#remote-repo: .*$#remote-repo: '$stackageurl $HOME/.cabal/config
+cabal update
+echo "Install usefull binaries"
+cabal install alex happy
+
+echo "Update your PATH in .profile for cabal binaries"
+echo 'export PATH=$HOME/.cabal/bin:$PATH' >> $HOME/.profile
+
+echo
+echo "Congratulations"
+echo "==============="
+echo
+echo "You should start using Haskell like a pro now"
+echo "You shouldn't use cabal sandbox except if you know what you are doing."
+echo "So if you follow a tutorial that use cabal sandbox, don't use it."
+echo "Unless you don't mind killing some white bear and waiting a lot."